Control system and method
CA 2448633 A1 · Owner: Irrigation Control Networks Pty Ltd. · Inventors: Crawn, Terence Raymond; Townsend, James Dunstone
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a control system and method particularly for , providing sophisticated switching control such as for the provision of , irrigation control and/or scheduling lighting schedules security measures, and other purposes, with respect to a site or a series of sites in an area. A method of control for a distributed event system is disclosed the method , providing control of events at one or more locations each location associated , with a programmable location controller (10) able to cause or permit a prescribed event to be carried out at that location each location controller , (10) able to receive control commands from a remote controller each location , controller (10) …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed June 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.